Thanks so much Marco,
I'm using version 1.59 but this is my first time using Teensy.
In any case this solution based on the new SABRENT HUB works quite well for my needs.
I think it might be nice to have a tested solution that allows you to use...
Thanks Mark,
I bought a new SABRENT 4 ports USB 2.0 HUB like yours (can see in the picture attached), because I had same doubt of you after having seen the tools used by Paul.
I'm testing now and it is working but some problems persist !
TEST...
I add additional info coming from USBHost_viewer.ino in 3 situations:
1) when I plug in the viscount keyboard directly to usbHost
2) when I plug in a 2.0 HUB alone
3) when I plug in viscount keyboard to Hub
OK gentlemen
I recorded some videos: one to show the test environment and then a video for each test to show the problem:
- everything works fine if I connect a keyboard directly to the Teensy 4.1 USBHost: (see tests 01 and 04)
- the processor...
OK
First I want to thank you and all the experts for your time and support.
Before sending detailed videos and photos of my problem, let me introduce my work to you with the attached files.
The files describe my hobby work and I'm sending for...
Just to add some details: if I start Teensy with the HUB attached to the usbHost it runs normally and I can see printing the loop numbers but when I try to connect the keyboard it stop!
Thank you a lot Paul
I 'm now testing your version of the code but still hanging the Teensy when I attach the keyboard trhu the HUB, and runs normally when keyboard is attached directly to Teensy usbHost.
Unable to understand the reason of this...
I tested both case:
test 1) 3.0 hub without ext power
test 2) 2.0 hub without ext power
test 3) 2.0 hub with ext power
same negative results.
BUT
I did a new test with interesting results:
I connected the HUB to the PC and the Teensy USB to...
Thank you: test result unchanged.
I confirm that the program works correctly when the keyboard is connected directly to usbHOST.
When I connect a HUB, now the program runs and doesn't stop after a few cycles.
BUT it suddenly stops as soon as I...
Hello gentlemen,
I' apologize for my english,
My name is PAOLO (italian) and I am new to this forum and a novice to the USBHost_t36.h library.
I developed a midi board using a Teensy 4.1 providing 4 midi IN ad OUT (uart based) and it works very...